*{
    margin: 0;
    padding: 0;
}
body{
    background: url("/img/201003250855562215.jpg")no-repeat;
    background-size: cover;
    height: 100vh;
    width: 100vm;
    display: flex;
    justify-content: center;
    align-items: center;
}
.login{
    background-color: #e69137;
    width: 400px;
    height: 200px;

}
.login >div{
    line-height: 50px;
    height: 50px;
}
.usernameSpan{
    font-size: 5px;
}
.passwordSpan{
    font-size: 5px;
}
.spanGreen{
    color: green;
}
.spanRed{
    color: red;
}